ASTM D2360-11
Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography

Standard No.
ASTM D2360-11
Release Date
2011
Published By
American Society for Testing and Materials (ASTM)
Latest
ASTM D2360-11
Replace By
d7504
Scope

The determination of hydrocarbon impurities contained in toluene and mixed xylenes used as chemical intermediates and solvents is typically required. This test is suitable for setting specifications and for use as an internal quality control tool where aromatic monocyclic hydrocarbons are produced or are used. This test method is applicable for determining the impurities from the aromatic hydrocarbon production process. Typical impurities are alkanes containing 1 to 10 carbon atoms, benzene, toluene, ethylbenzene (EB), xylenes, and aromatic hydrocarbons containing nine carbon atoms.

Refer to Test Methods D3797, D4492, and D7504 for determining the purity of o-Xylene, p-Xylene, and benzene.

Refer to Test Method D6563 or D7504 for determining the C8 aromatic hydrocarbon distribution in mixed xylenes.

Purity is commonly reported by subtracting the determined expected impurities from 100.00. However, a gas chromatographic analysis cannot determine absolute purity if unknown or undetected components are contained within the material being examined.

TABLE 1 Instrumental Parameters

DetectorFlame ionization
Column:
Tubingfused silica
Stationary phasecrosslinked polyethylene glycolA
Film thickness, μ0.25
Length, m60
Diameter, mm0.32 ID
Temperatures:
Injector, °C270
Detector, °C300
Oven:
Initial, °C60
Time 1, min10
Final, °C150
Rate, °C/min5
Time 2, min10
Carrier gashelium
Flow rate, mL/min1.0
Split ratio100:1
Sample size, ASTM D2360-11 Referenced Document
  • ASTM D3437 Standard Practice for Sampling and Handling Liquid Cyclic Products
  • ASTM D3797 Standard Test Method for Analysis of o-Xylene by Gas Chromatography
  • ASTM D4492 Standard Test Method for Analysis of Benzene by Gas Chromatography
  • ASTM D4790 Standard Terminology of Aromatic Hydrocarbons and Related Chemicals
  • ASTM D5211 Standard Specification for Xylenes for p-Xylene Feedstock
  • ASTM D6563 Standard Test Method for Benzene, Toluene, Xylene (BTX) Concentrates Analysis by Gas Chromatography*， 2024-04-19 Update
  • ASTM D6809 Standard Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
  • ASTM D7504 Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography and Effective Carbon Number
  • ASTM D841 Standard Specification for Nitration Grade Toluene
  • ASTM E1510 Standard Practice for Installing Fused Silica Open Tubular Capillary Columns in Gas Chromatographs
  • ASTM E260 Standard Practice for Packed Column Gas Chromatography
  • ASTM E29 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
  • ASTM E355 Standard Practice for Gas Chromatography Terms and Relationships*， 2024-04-19 Update
  • ASTM E691 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

ASTM D2360-11 history

  • 2011 ASTM D2360-11 Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography
  • 2008 ASTM D2360-08 Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography
  • 2007 ASTM D2360-07 Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography
  • 2004 ASTM D2360-04a Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography
  • 2004 ASTM D2360-04e1 Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography
  • 2004 ASTM D2360-04 Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography
  • 2003 ASTM D2360-03 Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography
  • 2000 ASTM D2360-00 Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography
Standard Test Method for Trace Impurities in Monocyclic Aromatic Hydrocarbons by Gas Chromatography


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